CN102585581B - Ultrasonic water-based cleaning agent for printing plate roller and preparation method for cleaning agent - Google Patents
Ultrasonic water-based cleaning agent for printing plate roller and preparation method for cleaning agent Download PDFInfo
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- CN102585581B CN102585581B CN 201110448564 CN201110448564A CN102585581B CN 102585581 B CN102585581 B CN 102585581B CN 201110448564 CN201110448564 CN 201110448564 CN 201110448564 A CN201110448564 A CN 201110448564A CN 102585581 B CN102585581 B CN 102585581B
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Abstract
The invention provides an ultrasonic water-based cleaning agent for a printing plate roller and a preparation method for the cleaning agent. The ultrasonic water-based cleaning agent for the printing plate roller consists of the following components in percentage by mass: 3 to 5 percent of borate surfactant, 2 to 4 percent of inorganic alkaline matter, 0.5 to 1 percent of metal corrosion inhibitor, 0.5 to 1 percent of chelating agent, 1 to 3 percent of penetrating agent, 0.4 to 0.6 percent of anionic surfactant and the balance of pure water. The cleaning agent is high in cleaning capacity andcleaning speed and is characterized in that the printing plate roller can be thoroughly cleaned only in 30 minutes compared with the conventional cleaning agent; and the cleaning agent has the advantages that the agent is non-toxic, non-combustible, non-volatile and environment-friendly, does not corrode the plate roller, is safely used, and the like.
Description
Technical field
The present invention relates to printing plate cylinder cleaning technique field, particularly a kind of printing plate cylinder ultrasonic wave aqueous cleaning agent and preparation method thereof.
Background technology
Printing plate cylinder in use need transmit printing ink for a long time, the printing plate cylinder surface irregularity ground tiny ink cell that distributing, and printing ink is through solidifying in ink cell behind the certain hour.Because ink cell is tiny, be difficult to the printing ink flush away in the ink cell.Can stop up ink cell behind the ink solidification, this will have a strong impact on the printing quality that printing plate cylinder prints again.
The method that printing plate cylinder cleans mainly contains artificial scouring, high pressure water sprays and ultrasonic wave is shaken washes, the above two are the method that the producer of major part printing at present uses, but the both can not clean up the residual ink in the ink cell, and is very big to the printing quality influence of printing plate cylinder; Ultrasonic wave shake wash be the high energy impact events wave energy that produces by ultrasonic wave enough with the printing ink in the ink cell shake, dispersion, emulsification, if just water or common clean-out system are as medium, thoroughly printing ink is cleaned up, often needing shakes continuously washed tens hours even tens hours.
Drawbacks such as existing printing plate cylinder ultrasonic wave aqueous cleaning agent exists with an organic solvent, cleaning efficiency is low, provide a kind of ultrasonic cleaning agent as disclosed 200910228263.7 patents of Chinese patent communique the inside, mainly consist of organic solvent ODS(methylal) and gamma-butyrolactone, wherein methylal is the volatile combustiblematerials of pungency, butyrolactone is combustiblematerials, and that this class product with an organic solvent exist to use is dangerous, human body is had problem such as certain harm; The detergent for water-based print ink that a kind of water-base ink cleaning agent that provides as Chinese patent 201010100923.6 the insides and Chinese patent 200510136619.6 the insides provide, its effective ingredient is tensio-active agent and alkaline, inorganic salts etc., only be suitable for cleaning and spray Cleaning for High Capacity, cleaning efficiency is lower, and is not applied in the ultrasonic cleaning technology.
Summary of the invention
The object of the present invention is to provide a kind of printing plate cylinder ultrasonic wave aqueous cleaning agent, it can clean the printing ink that has solidified in the printing plate cylinder ink cell fast, neatly, this aqueous cleaning agent can not corrode printing plate cylinder, nontoxic, not flammable, can repeat the safe handling.
Technical solution proposed by the invention is such:
A kind of printing plate cylinder ultrasonic wave aqueous cleaning agent, described aqueous cleaning agent component is expressed as with mass percent: boric acid ester tensio-active agent 3 ~ 5; Inorganic alkaline thing 2 ~ 4; Metal inhibitor 0.5 ~ 1; Sequestrant 0.5 ~ 1; Permeate agent 1 ~ 3; Anion surfactant 0.4 ~ 0.6; Surplus is pure water.
The component of described boric acid ester tensio-active agent is expressed as with mass percent: lauric acid Soxylat A 25-7 40 ~ 50, ethylene glycol amine 25 ~ 30, boric acid 20 ~ 30; It is mixed back stirring under 70 ~ 90 ℃ made the boric acid ester tensio-active agent in 1 hour.Described inorganic alkaline thing is by sodium hydroxide and water glass, combine by 1:08 ~ 1.2 mass ratioes.Metal inhibitor adopts organic amine with ∕ or organic imidazoles; Described organic amine is selected trolamine or diethanolamine for use; Organic imidazoles is selected benzimidazolyl or benzotriazole for use.Described sequestrant adopts Trisodium Citrate with ∕ or sodium malate;
When sequestrant is made up of Trisodium Citrate and sodium malate, combine by 1:1.5 ~ 2.5 mass ratioes.Described permeate agent is for selecting polyoxyethylene nonylphenol ether or polyoxyethylene octylphenol ether for use.Described anion surfactant adopts sodium lauryl sulphate or Sodium dodecylbenzene sulfonate.
The preparation method of described printing plate cylinder ultrasonic wave aqueous cleaning agent is: at room temperature, inorganic alkaline thing, metal inhibitor, sequestrant are added in the mixing kettle by proportioning, add in the mixing kettle after being heated to 60 ~ 65 ℃ by half pure water of proportional quantity, be stirred to dissolving fully, in mixing kettle, add boric acid ester tensio-active agent, permeate agent and anion surfactant by proportioning again, the pure water that adds 60 ~ 65 ℃ of surpluses, be stirred to dissolving fully, obtain printing plate cylinder ultrasonic wave aqueous cleaning agent behind the naturally cooling.
The mechanism that residual ink in the printing plate cylinder ink cell is removed in cleaning of the present invention is: because residual printing ink is to be the membranaceous material that binder forms with the resin on the printing plate cylinder, printing plate cylinder is had certain sticking power.Boric acid ester tensio-active agent in the clean-out system and permeate agent, when using together, anion surfactant produces synergy, have very strong perviousness and dispersive ability, under alkaline environment, can be adsorbed on ink pellet surface rapidly, ink pellet surface is wetting, emulsification, and reduce the interfacial tension of printing ink rapidly, penetrate into the fine clearance between printing ink and the printing plate cylinder simultaneously, thereby, the sticking power of printing ink on printing plate cylinder reduced.Under high-octane hyperacoustic shock action, printing ink is broken up at short notice, is come off, emulsification, be distributed in the clean-out system, thereby reaches the clean purpose of Rapid Cleaning.
Compared with prior art, the present invention has following unusual effect:
(1), owing in clean-out system, adopted this tensio-active agent of boric acid ester tensio-active agent, this material has good penetration and dispersive ability, printing ink is wetting, emulsification rapidly, and stable in properties, nontoxic, non-volatile.Thereby the cleansing power of aqueous cleaning agent is strong, and cleaning speed is fast, the cleaning efficiency height.Compare with existing common clean-out system, this aqueous cleaning agent only needed just the residual ink of printing plate cylinder thoroughly can be cleaned up in 30 minutes, and cleaning efficiency improves more than 20 times.
(2), the main body composition of this aqueous cleaning agent is water, has nontoxic, not flammable, non-volatility, the advantages such as erosion printing plate cylinder, environmental pollution is little, use is safe of being stale-proof.
(3), this aqueous cleaning agent blending process is simple, with low cost, product performance are stable, and are repeatedly reusable, have vast market prospect.
Embodiment
Be further elaborated by the present invention of following embodiment.
Embodiment 1
The component (representing with mass percent) of first kind of printing plate cylinder ultrasonic wave aqueous cleaning agent is:
Boric acid ester surfactant mixture 3, inorganic alkaline thing 4, metal inhibitor 0.5, sequestrant 0.7, permeate agent 2, anion surfactant 0.5, pure water 89.3; Wherein, the component of boric acid ester tensio-active agent is expressed as with mass percent: lauric acid Soxylat A 25-7 40 ~ 50, ethylene glycol amine 25 ~ 30, boric acid 20 ~ 30, it is mixed back stirring under 70 ~ 90 ℃ made the boric acid ester tensio-active agent in 1 hour, in the present embodiment, choose lauric acid Soxylat A 25-7 45, ethylene glycol amine 27, boric acid 28 by mass percentage, it is mixed back stirring under 80 ℃ made the boric acid ester tensio-active agent in 1 hour; The inorganic alkaline thing is combined by 1:0.8 ~ 1.2 mass ratioes by sodium hydroxide and water glass; Metal inhibitor adopts organic amine and organic imidazoles, and this routine organic amine is selected trolamine for use, and organic imidazoles is selected benzimidazolyl for use; Sequestrant selects Trisodium Citrate for use with ∕ or sodium malate; Permeate agent is selected polyoxyethylene nonylphenol ether for use; Anion surfactant is selected sodium lauryl sulphate for use.
The preparation method of above-mentioned printing plate cylinder ultrasonic wave aqueous cleaning agent is as follows:
At room temperature, above-mentioned sodium hydroxide, water glass, Trisodium Citrate, trolamine, benzimidazolyl of joining part joined in the mixing kettle, adds 55 ~ 65 ℃ pure water (press proportional quantity half), be stirred to fully and dissolve.Then, add boric acid ester tensio-active agent, polyoxyethylene nonylphenol ether, sodium lauryl sulphate, add 55 ~ 65 ℃ pure water (press proportional quantity half) again, be stirred to fully and dissolve, make printing plate cylinder ultrasonic wave aqueous cleaning agent.
Embodiment 2
The component (representing with mass percent) of second kind of printing plate cylinder ultrasonic wave aqueous cleaning agent is:
Boric acid ester tensio-active agent 5, inorganic alkaline thing 3, metal inhibitor 0.8, sequestrant 0.5, permeate agent 3, anion surfactant 0.4, pure water 87.3; Wherein, the inorganic alkaline thing is combined by 1:0.8 ~ 1.2 mass ratioes by sodium hydroxide and water glass; Metal inhibitor is selected diethanolamine and benzotriazole for use; Sequestrant is selected sodium malate for use; Permeate agent is selected polyoxyethylene octylphenol ether for use; Anion surfactant is selected Sodium dodecylbenzene sulfonate for use.
The preparation method of above-mentioned printing plate cylinder ultrasonic wave aqueous cleaning agent is identical with embodiment 1, and only it joins part different.
Embodiment 3
The component (representing with mass percent) of the third printing plate cylinder ultrasonic wave aqueous cleaning agent is:
Boric acid ester tensio-active agent 4, inorganic alkaline thing 2, metal inhibitor 1, sequestrant 1, permeate agent 1, anion surfactant 0.6, pure water 90.4; Wherein, the inorganic alkaline thing is combined by 1:0.8 ~ 1.2 mass ratioes by sodium hydroxide and water glass; Metal inhibitor is selected trolamine and benzotriazole for use; Sequestrant is combined by 1:1.5 ~ 2.5 mass ratioes by Trisodium Citrate and sodium malate; Permeate agent is selected polyoxyethylene nonylphenol ether for use; Anion surfactant is selected Sodium dodecylbenzene sulfonate for use.
The preparation method of above-mentioned printing plate cylinder ultrasonic wave aqueous cleaning agent is identical with embodiment 1, just joins part different.
Using method: any aqueous cleaning agent and the water of above-mentioned three embodiment preparation are used with the dilution proportion of 1:4.Aqueous cleaning agent after the dilution injects ultrasonic wave printing plate cylinder cleaning machine, puts into the residual printing plate cylinder that printing ink is arranged, and behind the ultrasonic cleaning 20min, the printing plate cylinder any surface finish is as newly, and printing ink is thoroughly removed in the printing plate cylinder ink cell, reaches the purpose that cleans up.
The clean-out system that above-mentioned dilution is used places ultrasonic wave printing plate cylinder cleaning machine, uses continuously one month, cleans about 100 of printing plate cylinder, and scavenging solution still has cleaning performance fast, stay in grade, superior performance.
Claims (9)
1. printing plate cylinder ultrasonic wave aqueous cleaning agent, it is characterized in that: described aqueous cleaning agent component is expressed as with mass percent: boric acid ester tensio-active agent 3 ~ 5; Inorganic alkaline thing 2 ~ 4; Metal inhibitor 0.5 ~ 2; Sequestrant 0.5 ~ 1; Permeate agent 1 ~ 3; Anion surfactant 0.4 ~ 0.6; Surplus is pure water; The component of described boric acid ester tensio-active agent is expressed as with mass percent: lauric acid Soxylat A 25-7 40 ~ 50, and ethylene glycol amine 25 ~ 30, boric acid 20 ~ 30 mixes back stirring under 70 ~ 90 ℃ with it and made the boric acid ester tensio-active agent in 1 hour; Described inorganic alkaline thing is combined by sodium hydroxide and water glass, and the mass ratio of described sodium hydroxide and water glass is 1:0.8 ~ 1.2.
2. printing plate cylinder ultrasonic wave aqueous cleaning agent according to claim 1, it is characterized in that: described metal inhibitor is organic amine and organic imidazoles.
3. printing plate cylinder ultrasonic wave aqueous cleaning agent according to claim 2, it is characterized in that: described organic amine is trolamine or diethanolamine.
4. printing plate cylinder ultrasonic wave aqueous cleaning agent according to claim 2, it is characterized in that: described organic imidazoles is benzimidazolyl or benzotriazole.
5. printing plate cylinder ultrasonic wave aqueous cleaning agent according to claim 1, it is characterized in that: described sequestrant is that Trisodium Citrate is with ∕ or sodium malate.
6. the ultrasonic aqueous cleaning agent of printing plate cylinder according to claim 5 is characterized in that: when sequestrant is made up of Trisodium Citrate and sodium malate, combine by 1:1.5 ~ 2.5 mass ratioes.
7. printing plate cylinder ultrasonic wave aqueous cleaning agent according to claim 1, it is characterized in that: described permeate agent is polyoxyethylene nonylphenol ether or polyoxyethylene octylphenol ether.
8. printing plate cylinder ultrasonic wave aqueous cleaning agent according to claim 1, it is characterized in that: described anion surfactant is sodium lauryl sulphate or Sodium dodecylbenzene sulfonate.
9. the method for preparing the described printing plate cylinder ultrasonic wave of claim 1 aqueous cleaning agent, it is characterized in that: the preparation method of described printing plate cylinder ultrasonic wave aqueous cleaning agent is: at room temperature, with the inorganic alkaline thing, metal inhibitor, sequestrant adds in the mixing kettle by proportioning, add in the mixing kettle after being heated to 60 ~ 65 ℃ by half pure water of proportional quantity, be stirred to dissolving fully, in mixing kettle, add the boric acid ester tensio-active agent by proportioning again, permeate agent and anion surfactant, the pure water that adds 60 ~ 65 ℃ of surpluses, be stirred to dissolving fully, obtain printing plate cylinder ultrasonic wave aqueous cleaning agent behind the naturally cooling.
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| CN103709818B (en) * | 2013-12-17 | 2015-05-27 | 湖南城市学院 | Water-based deinking agent of smart phone glass |
| CN106808720B (en) * | 2017-02-15 | 2019-06-25 | 浙江阮氏塑业有限公司 | A kind of processing technology of steel-belt-pipe |
| CN109402690A (en) * | 2018-12-12 | 2019-03-01 | 东莞市同欣表面处理科技有限公司 | A kind of layers of copper activator and the preparation method and application thereof method |
| CN109370296B (en) * | 2018-12-21 | 2021-07-27 | 东莞润柯科技有限公司 | Water-soluble printing ink cleaning agent and preparation method thereof |
| CN112725815A (en) * | 2020-12-23 | 2021-04-30 | 富兰克润滑科技（太仓）有限公司 | Low-temperature ultrasonic cleaning agent for ferrous metal and preparation method thereof |
| CN113980509A (en) * | 2021-10-08 | 2022-01-28 | 深圳市信濠光电科技股份有限公司 | Ink removing solution, preparation method and plate ink removing method |
| CN116536114B (en) * | 2023-05-05 | 2024-05-28 | 广东剑鑫科技股份有限公司 | Environment-friendly semi-water-based cleaning agent for ultrasonic cleaning process |
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